Synthesis of N-doped TiO2 Nanoparticle by Solvothermal Method for Dye Treatment
Conference proceedings article
ผู้เขียน/บรรณาธิการ
กลุ่มสาขาการวิจัยเชิงกลยุทธ์
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รายละเอียดสำหรับงานพิมพ์
รายชื่อผู้แต่ง: Samangsri S., Chiarakorn S., Areerob T.
ผู้เผยแพร่: IOP Publishing
ปีที่เผยแพร่ (ค.ศ.): 2019
Volume number: 576
Issue number: 1
นอก: 1757-8981
eISSN: 1757-899X
ภาษา: English-Great Britain (EN-GB)
บทคัดย่อ
Nitrogen-doped titanium dioxide (NT) was synthesized by solvothermal method. Titanium (IV) butoxide (TBOT) was used as a titanium source and diethyleneamine (DEA) was used as a nitrogen source. The DEA concentration was fixed at 5% mol. The effect of the synthesized temperatures was studied (150 ฐC to 200 ฐC). The characterization results showed that the XRD patterns of NT synthesized by solvothermal method exhibited only anatase structure of TiO2 at 25.56ฐ (101), 37.76ฐ (004), 48.04ฐ (200), 48.18ฐ (105), 54.06ฐ (211), 55.24ฐ (204), 62.76ฐ (116), 69.04ฐ (220), 70.32ฐ (215) and 75.30ฐ (303). The crystallite sizes of NT (13-14 nm) were smaller than that of TiO2 (22.39 nm) while the surface area of NT (31-47 m2g-1) was larger than that of TiO2 (6.42 m2g-1). This indicated that doping N on TiO2 had a significant effect on crystallite size and surface area of TiO2. The photocatalytic activities of NT were evaluated by decolorization of 10-5 M methylene blue (MB) under LED visible light irradiation. The result showed that the photocatalytic performance of TiO2 was significantly improved by N dopant with the efficiency of 90%. However, the synthesized temperatures had no significant effect on the physical properties and the photocatalytic reactivity of NT. ฉ 2019 Published under licence by IOP Publishing Ltd.
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